What I liked most is that this isn't a theoretical TypeScript course, it's a real React app getting refactored file by file right in front of you. Watching props go from untyped chaos to clean interfaces made the benefits of TypeScript click instantly. The section on typing custom hooks was especially useful since that's something most tutorials skip.
React with TypeScript: Refactor to Type-Safe Code
Transition from plain JavaScript to TypeScript by refactoring a React application into a robust, type-safe codebase.
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About this course
Writing React applications in plain JavaScript often leads to unpredictable runtime errors and difficult-to-maintain code. TypeScript solves this by catching bugs during development, making it an essential skill for modern web development.
In this text-based course, you will learn how to confidently transition your React projects to TypeScript. By refactoring an existing application, you will move from basic type annotations to advanced type-safety patterns, ensuring your components, state, and API integrations are fully typed and resilient.
What you'll learn:
• Understand core TypeScript definitions, basic types, and interfaces before writing complex code.
• Configure modern strict mode settings and understand how TypeScript integrates with contemporary build environments.
• Type React props, state, and event handlers for predictable component behavior.
• Apply modern utility types like Partial, Pick, and Omit to streamline data structures.
• Refactor plain JavaScript custom hooks and context providers into robust, type-safe modules.
• Practice handling asynchronous API responses with proper type definitions and data fetching patterns.
The course begins by introducing fundamental TypeScript terminology and concepts. From there, you will incrementally work through written refactoring exercises, applying type definitions to a realistic React application step-by-step.
This course is designed for beginner TypeScript learners who have basic experience with JavaScript and React, requiring no prior background in statically typed languages.
Start reading today to transform your JavaScript skills and build reliable, type-safe React applications.
What you'll get
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Short & focused
2h 42m of practical content
Reviews (12)
Questo corso affronta un problema reale: come convertire un'app React scritta in JavaScript puro in TypeScript senza impazzire. Mi è piaciuto molto l'approccio pratico, si parte da un progetto già esistente e lo si rifattorizza pezzo per pezzo, aggiungendo tipi alle props, agli hook e alle chiamate API. La parte sui generics è spiegata bene anche se richiede un po' di attenzione extra se non si ha già familiarità con TypeScript. L'unico difetto è che alcune sezioni sui tipi più avanzati per Redux vanno un po' di fretta, ma nel complesso è un corso che consiglio a chi vuole fare il salto da JS a TS in modo concreto.
Refactorizar mi app de React a TypeScript dejó de darme miedo; ahora tipar props y estados me resulta hasta intuitivo.
জাভাস্ক্রিপ্ট থেকে টাইপস্ক্রিপ্টে যাওয়ার জন্য এই কোর্সটা বেশ কাজের, যদিও জেনেরিক্স অংশটা একটু দ্রুত মনে হয়েছে।
Наконец-то поняла, зачем нужны generics в TypeScript, объяснено на реальном примере рефакторинга.
Akhirnya paham cara refactor ke TypeScript.
সত্যিকারের একটা রিয়্যাক্ট অ্যাপ রিফ্যাক্টর করতে করতে টাইপস্ক্রিপ্ট শেখাটা দারুণ কাজে দিয়েছে আমার জন্য।
Rifattorizzare da zero, finalmente capito i tipi.
Refactorizar una app real de React a TypeScript paso a paso me ayudó a entender los tipos mucho mejor que cualquier tutorial teórico.
Khóa học này giúp mình hiểu rõ cách chuyển một dự án React từ JavaScript sang TypeScript một cách có hệ thống, không phải học lý thuyết suông. Phần refactor props và state sang interface được giải thích rất cụ thể qua từng bước. Chỉ hơi tiếc là phần generics nâng cao đi hơi nhanh nên mình phải xem lại vài lần.
Endlich TypeScript wirklich verstanden, super Kurs.
Ce cours m'a vraiment aidé à comprendre comment migrer une application React existante vers TypeScript sans tout casser. La partie sur le typage des hooks personnalisés et des appels API est particulièrement bien expliquée. Seul bémol, la section sur les types génériques avancés mérite d'être revue une ou deux fois pour bien s'imprégner.
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Just a phone or computer with internet. No installs, no special hardware.
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Yes — full refund within 14 days, no questions asked.
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Forever. Once you purchase, the course is yours to revisit anytime.
Will I get a certificate? +
Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.
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